The collection consists of 350 glass plate negatives and corresponding prints. Mr Bishop has been identified as the photographer for the vast majority of the images, which are primarily streetscape views of downtown Washington, D. C. , c. 1920s. This collection includes dozens of views not previously included in other HSW collections, particularly of the neighborhoods that were replaced by construction of the Federal Triangle.Among the photographs not attributed to Bishop are a number of prints which are copy photographs related to the Civil War.